Hydrogen storage in carbon nanotubes revisited

被引：172
|
作者：
Liu, Chang [1 ]
Chen, Yong [1 ]
Wu, Cheng-Zhang [1 ]
Xu, Shi-Tao [1 ]
Cheng, Hui-Ming [1 ]
机构：
[1] Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China
来源：
CARBON | 2010年 / 48卷 / 02期
关键词：
ROOM-TEMPERATURE; CAPACITY; NANOSTRUCTURES; ADSORPTION; ENERGY;
D O I：
10.1016/j.carbon.2009.09.060
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The reported hydrogen uptake of carbon nanotubes (CNTs) has been the subject of much controversy. We have measured the hydrogen uptake capacity of different types of CNTs; using a volumetric measurement setup specifically-designed for CNTs. It was found that under a pressure of similar to 12 MPa and at room temperature, the hydrogen storage capacity of the CNTs is less than 1.7 wt.%, which is far below the benchmark set for on-board hydrogen storage systems by the US Department of Energy. These results suggest that it is no longer worth investigating hydrogen uptake in pure CNTs for on-board applications. However, our recent research indicates that CNTs can be an effective additive to some other hydrogen storage materials to improve their kinetics. (C) 2009 Elsevier Ltd. All rights reserved.
引用
收藏
页码：452 / 455
页数：4
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